What is 0.4^-2 (0.4 to the power of - 2) ?

How do you solve 9+x/9=7/3

Joe has some pocket money. He spends 90% of it. He has 50p left. How much pocket money did he have?

Jim adds 20 to it, then doubles it and gets an answer of 99.2. What was the original number?

What is the answer if I multipy 14x 14.50

You earn $9.20 per hour at your summer school job. Identify an inequality that represents the number p of hours you need to work in order to buy a smartphone that costs $299

Emma is training for a 10 kilometer race. She wants to beat her last 10 kilometer time, which was 1 hour 10 minutes Emma has already run for 55 minutes.

The perimeter of a rectangular painting is 264 centimeters. If the width of the painting is 55 centimeters, what is it's len?

Zeki's course at a trade school cost $1,500. The school gave him a loan for the full amount at an interest rate of 23%. The school expects a payment of $123.00 every month for 15 months.

A rectangle that is 30 inches long and 10 inches wide can be divided into two congruent trapezoids?

Ron walked 8/10 mile from his grandmother's house to the store then store. Then he walked 9/10 mile to his house. About how far did he walk altogether?